package com.example.p_c.masterycar.CarVideo;

import android.content.pm.ActivityInfo;
import android.graphics.PixelFormat;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;

import com.example.p_c.masterycar.ActivityLife.ActivityLife;
import com.example.p_c.masterycar.R;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Created by 李思言 on 2016/7/21.
 */
public class MyVideo extends AppCompatActivity implements SurfaceHolder.Callback {

    private Button start;// 开始录制按钮
    private Button stop;// 停止录制按钮
    private MediaRecorder mediarecorder;// 录制视频的类
    private SurfaceView surfaceview;// 显示视频的控件
    // 用来显示视频的一个接口，我靠不用还不行，也就是说用mediarecorder录制视频还得给个界面看
    private SurfaceHolder surfaceHolder;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉标题栏
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);// 设置全屏
        // 设置横屏显示
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        // 选择支持半透明模式,在有surfaceview的activity中使用。
        getWindow().setFormat(PixelFormat.TRANSLUCENT);
        setContentView(R.layout.activity_my_video);
        ActivityLife.addActivity(this,"MyVideo");
        init();

    }
    private void init() {
        start = (Button) this.findViewById(R.id.start);
        stop = (Button) this.findViewById(R.id.stop);
        start.setOnClickListener(new TestVideoListener());
        stop.setOnClickListener(new TestVideoListener());
        surfaceview = (SurfaceView) this.findViewById(R.id.surfaceview);
        SurfaceHolder holder = surfaceview.getHolder();// 取得holder
        holder.addCallback(this); // holder加入回调接口
        // setType必须设置，要不出错.
        holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        File file=new File("/sdcard/行车记录仪/");
        if (!file.exists()){
            file.mkdir();
        }



    }

    public void VideoStart(){


        mediarecorder = new MediaRecorder();// 创建mediarecorder对象
        // 设置录制视频源为Camera(相机)
        mediarecorder.reset();
        mediarecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
        // 设置录制完成后视频的封装格式THREE_GPP为3gp.MPEG_4为mp4
        mediarecorder
                .setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        // 设置录制的视频编码h263 h264
        mediarecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
        // 设置视频录制的分辨率。必须放在设置编码和格式的后面，否则报错
//        mediarecorder.setVideoSize(176, 144);
        // 设置录制的视频帧率。必须放在设置编码和格式的后面，否则报错
//        mediarecorder.setVideoFrameRate(20);
        mediarecorder.setPreviewDisplay(surfaceHolder.getSurface());
        mediarecorder.setOrientationHint(90);
        // 设置视频文件输出的路径
        mediarecorder.setOutputFile("/sdcard/行车记录仪/"+getFileName()+".mp4");
        try {
            // 准备录制
            mediarecorder.prepare();
            // 开始录制
            mediarecorder.start();
        } catch (IllegalStateException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }



    }


    class TestVideoListener implements View.OnClickListener {

        @Override
        public void onClick(View v) {
            if (v == start) {

                VideoStart();
            }
            if (v == stop) {
                if (mediarecorder != null) {
                    // 停止录制
                    mediarecorder.stop();
                    // 释放资源
                    mediarecorder.release();
                    mediarecorder = null;
                }
            }

        }

    }


    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width,
                               int height) {
        // 将holder，这个holder为开始在oncreat里面取得的holder，将它赋给surfaceHolder
        surfaceHolder = holder;
    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        // 将holder，这个holder为开始在oncreat里面取得的holder，将它赋给surfaceHolder
        surfaceHolder = holder;
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        // surfaceDestroyed的时候同时对象设置为null
        surfaceview = null;
        surfaceHolder = null;
        mediarecorder = null;
    }

    public  String getCharacterAndNumber() {
        String rel="";
        SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
        Date curDate = new Date(System.currentTimeMillis());
        rel = formatter.format(curDate);
        return rel;
    }

    public String getFileName() {

        String fileNameRandom = getCharacterAndNumber();
        return fileNameRandom;
    }
}

